Dave Caroline wrote: >short to ground the input probably has a pull up resistor > >Dave Caroline > >and maybe invert the sense > > Even better would be to pull up to +5V with a 4.7k or so resistor, and have the switch short to ground. This way, you're not relying on the parallel port pull-up for the +5 reading.
- Steve ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
